- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 33/00 - Special measures in connection with working metal foils, e.g. gold foils
Patent holdings for IPC class B21D 33/00
Total number of patents in this class: 45
10-year publication summary
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3
|
2
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4
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4
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3
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1
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4
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1
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3
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nisshin Steel Co., Ltd. | 382 |
5 |
| Hydro-Quebec | 639 |
3 |
| JX Nippon Mining & Metals Corporation | 1454 |
2 |
| Blue Solutions Canada Inc. | 54 |
2 |
| LG Chem, Ltd. | 17978 |
1 |
| Alcatel Lucent SA | 1527 |
1 |
| Nissan Motor Co., Ltd. | 13071 |
1 |
| ACS Industries, Inc. | 48 |
1 |
| Adval Tech Holding AG | 29 |
1 |
| The Chinese University of Hong Kong | 771 |
1 |
| Dalian University of Technology | 1608 |
1 |
| Fuji Die Co., Ltd. | 19 |
1 |
| Getter Dunn Technologies, LLC | 1 |
1 |
| The Hong Kong Polytechnic University | 555 |
1 |
| K.K. Endo Seisakusho | 24 |
1 |
| Komatsu Seiki Kosakusho Co., Ltd. | 14 |
1 |
| Littelfuse, Inc. | 790 |
1 |
| Nidek Co., Ltd. | 335 |
1 |
| Pre-Insulated Metal Technologies LLC | 1 |
1 |
| Sekisui Chemical Co., Ltd. | 3656 |
1 |
| Other owners | 17 |